- All sections
- C - Chemistrymetallurgy
- C21C - Processing of pig-iron, e.g. refining, manufacture of wrought-iron or steeltreatment in molten state of ferrous alloys
- C21C 5/36 - Processes yielding slags of special composition
Patent holdings for IPC class C21C 5/36
Total number of patents in this class: 68
10-year publication summary
|
3
|
2
|
2
|
12
|
2
|
12
|
3
|
4
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7370 |
9 |
| ArcelorMittal | 2541 |
7 |
| SMS Siemag Aktiengesellschaft | 490 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1985 |
4 |
| S.A. Lhoist Recherche et Developpement | 196 |
3 |
| Eco'ring | 15 |
2 |
| Hyundai Steel Company | 503 |
2 |
| Loesche GmbH | 79 |
2 |
| Nippon Steel Corporation | 6701 |
2 |
| Rolth do Brasil Industria, Comercio e Servicos Ltda. | 2 |
2 |
| Techemet, LP, composed of Techemet Holdings, Inc., General Partner | 16 |
2 |
| Shandong Iron and Steel Company Ltd | 35 |
2 |
| z. I. Nekrasov Iron & Steel Institute of The National Academy of Sciences of Ukraine | 2 |
2 |
| Laiwu Steel Yinshan Section Co., Ltd. | 23 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 1078 |
1 |
| ECOFER, s.r.o. | 1 |
1 |
| Ecomaister Co., Ltd. | 14 |
1 |
| Industry-Academic Cooperation Foundation, Yonsei University | 2439 |
1 |
| Inha-Industry Partnership Institute | 172 |
1 |
| Nucor Corporation | 412 |
1 |
| Other owners | 16 |